import java.util.Scanner;

public class Guess
{
    public static void main(String[] args)
    {
        Scanner scanner = new Scanner (System.in);
        int number = (int) (Math.random() * 10);
        int guess;

        do
        {
            System.out.printf("猜数字（0~9）:");
            guess = scanner.nextInt();
        }
        while(guess != number);

        System.out.println("猜中了!");

    }
}